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Finding the Fourth Proportional to 650,098.89, 975,191.16 and 170,338.46

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Solution

The fourth proportional to 650,098.89, 975,191.16 and 170,338.46 is: 255,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,098.89 : 975,191.16 = 170,338.46 : x
  2. Step 2: Convert to fraction form
    650,098.89/975,191.16 = 170,338.46/x
  3. Step 3: Cross multiply
    650,098.89x = 975,191.16 × 170,338.46
  4. Step 4: Simplify right side
    650,098.89x = 166,112,555,524.06
  5. Step 5: Solve for x
    x = 166,112,555,524.06/650,098.89
  6. Step 6: Final answer
    x = 255,518.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.